.login-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #6278db 0%, #635da6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
  }
  
  .login-content {
    width: 100%;
    max-width: 350px;
    text-align: center;
  }
  
  .title {
    font-family: 'Microsoft YaHei', sans-serif;
    color: white;
    font-size: 36px;
    font-weight: bolder;
    margin-top: 200px;
    margin-bottom: 180px;
    letter-spacing: 2px;
  }
  
  .login-form {
    background: white;
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 100px;
  }
  
  .form-item {
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
  }
  
  .form-item label {
    color: #333;
    font-size: 16px;
    font-weight: bolder;
    min-width: 50px;
    text-align: left;
  }
  
  .form-input {
    width: 100%;
    height: 45px;
    border: none;
    border-bottom: 2px solid #e0e0e0;
    background: transparent;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
  }
  
  .form-input:focus {
    border-bottom-color: #667eea;
  }
  
  .form-input::placeholder {
    color: #999;
  }
  
  .button-group {
    display: flex;
    gap: 15px;
    margin-top: 35px;
  }
  
  .register-btn,
  .login-btn {
    flex: 1;
    height: 45px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  .register-btn {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
  }
  
  .register-btn:hover {
    background: #667eea;
    color: white;
  }
  
  .login-btn {
    background: linear-gradient(135deg, #667eea 0%, #4b51a2 100%);
    color: white;
  }
  
  .login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
  }
  
  .forgot-password {
  
    text-align: center;
  }
  
  .forgot-password a {
    color: white;
    font-size: 18px;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
  }
  
  .forgot-password a:hover {
    opacity: 1;
  }
  
  /* 移动端自适应 */
  @media (max-width: 480px) {
    .login-container {
      padding: 15px;
    }
    
    .title {
      font-size: 20px;
      margin-bottom: 40px;
      margin-top: 80px;
    }
    
    .login-form {
      padding: 30px 20px;
      border-radius: 12px;
      margin-bottom: 40px;
    }
    
    .form-item {
      gap: 10px;
    }
    
    .form-item label {
      min-width: 45px;
      font-size: 14px;
    }
    
    .form-input {
      height: 40px;
      font-size: 14px;
    }
    
    .register-btn,
    .login-btn {
      height: 40px;
      font-size: 14px;
    }
    
    .button-group {
      gap: 10px;
    }
    
    .forgot-password a {
      font-size: 14px;
    }
  }
  
  @media (max-width: 375px) {
    .login-form {
      padding: 25px 15px;
    }
    
    .title {
      font-size: 18px;
      margin-top: 60px;
      margin-bottom: 80px;
    }
    
    .form-item {
      margin-bottom: 20px;
      gap: 8px;
    }
    
    .form-item label {
      min-width: 40px;
      font-size: 13px;
    }
    
    .button-group {
      margin-top: 25px;
    }
  }
  
  /* 横屏适配 */
  @media (max-height: 600px) and (orientation: landscape) {
    .login-container {
      padding: 10px;
    }
    
    .title {
      margin-bottom: 30px;
      font-size: 20px;
    }
    
    .login-form {
      padding: 25px 30px;
    }
    
    .form-item {
      margin-bottom: 20px;
    }
    
    .button-group {
      margin-top: 25px;
    }
  }
  
  /* 弹窗样式 */
  .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease-out;
  }
  
  .modal-content {
    background: white;
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    animation: slideIn 0.3s ease-out;
    position: relative;
    overflow: hidden;
  }
  
  .modal-header {
    background: linear-gradient(135deg, #6278db 0%, #635da6 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
  }
  
  .close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s ease;
  }
  
  .close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
  }
  
  .modal-body {
    padding: 30px 20px;
    text-align: center;
  }
  
  .icon-wrapper {
    margin-bottom: 20px;
  }
  
  .info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 30px;
    font-weight: bold;
    margin: 0 auto;
    animation: pulse 2s infinite;
  }
  
  .modal-text {
    font-size: 16px;
    color: #333;
    margin: 0 0 10px 0;
    font-weight: 500;
  }
  
  .contact-info {
    font-size: 18px;
    color: #667eea;
    margin: 0;
    font-weight: 600;
    letter-spacing: 1px;
  }
  
  .modal-footer {
    padding: 0 20px 20px;
    text-align: center;
  }
  
  .confirm-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
  }
  
  .confirm-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
  }
  
  /* 动画效果 */
  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
  
  @keyframes slideIn {
    from {
      opacity: 0;
      transform: scale(0.7);
    }
    to {
      opacity: 1;
      transform: scale(1);
    }
  }
  
  @keyframes pulse {
    0% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.05);
    }
    100% {
      transform: scale(1);
    }
  }
  
  /* 弹窗移动端适配 */
  @media (max-width: 480px) {
    .modal-content {
      width: 95%;
      margin: 20px;
    }
    
    .modal-header {
      padding: 15px;
    }
    
    .modal-header h3 {
      font-size: 16px;
    }
    
    .modal-body {
      padding: 25px 15px;
    }
    
    .info-icon {
      width: 50px;
      height: 50px;
      font-size: 24px;
    }
    
    .modal-text {
      font-size: 14px;
    }
    
    .contact-info {
      font-size: 16px;
    }
    
    .confirm-btn {
      padding: 10px 25px;
      font-size: 14px;
    }
  }